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铺装层对T形梁桥梁竖向温度梯度的影响

Keywords: 桥梁工程,混凝土桥梁,T形梁,铺装层,温度梯度

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Abstract:

为研究不同厚度、不同类型铺装层对T形梁温度梯度的影响,制作了2个钢筋混凝土T形梁试件并置于阳光下。从6月起至10月,对2个试件8个竖向断面146个测点的温度进行了连续监测。分析结果表明,日照下混凝土T形梁沿截面竖向高度的温度分布(温差)为非线性分布。沥青混凝土铺装层T形梁的竖向温度遵循对数函数和双折线分布函数,混凝土铺装层T形梁的竖向温度遵循指数函数和三折线分布函数。

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